DR

Donald J. Ryan

EA E.I. Du Pont De Nemours And: 1 patents #4,343 of 8,010Top 55%
WT Wood Tech: 1 patents #4 of 5Top 80%
📍 Beaumont, TX: #53 of 342 inventorsTop 20%
🗺 Texas: #33,546 of 125,132 inventorsTop 30%
Overall (All Time): #1,262,340 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
D505493 Ovulation scope 2005-05-24
5261306 Circular saw blade for tree cutting and bunching vehicles Norval K. Morey 1993-11-16
4825465 Exclusionary device for coupling plural telephonic devices to a single central office trunk 1989-04-25
4485062 Process for extruding polymers James W. Dawes 1984-11-27